Valcom V-1109RTHF Service Manual

VSP -V-1109RTHF

Issue 8

V-1109RTHF

NINE ZONE PAGE CONTROL

GENERAL

The V -1109RTHF, Nine Zone Page Control, is a dial
select microprocessor controlled page unit to be used
with PABX, Electronic Key or 1A2 Telephone
Equipment. These instructions contain the
specifications and information necessary to install,
operate and maintain the Nine Zone Page Control.

This paging unit has received an FCC type KX
registration and is designed to be used with FCC
registered key telephone systems. In accordance with
FCC rules with applicable tariffs, this intercom unit
may only be installed with the authorization of the
owner of the host system.

The FCC Registration Number BAFUSA-69358-KX-N
will be listed in the affidavits filed with the Telephone
Company; it will also be recorded in the system log
kept by installation and maintenance personnel. The
local Telephone Company is to be notified of the FCC
Registration Number when this intercom unit is
installed.

This equipment generates and uses radio frequency
energy and if not installed and used properly, that is
in strict accordance with the manufacturer's
instructions, may cause interference to radio and
television reception. It has been tested and found to
comply with the limits for a Class B computing device,
in accordance with the specifications in Subpart J of
Part 15 of the FCC Rules, which are designed to
provide reasonable protection against interference. If
this equipment does cause interference to radio and
television reception, which can be determined by
turning the equipment off and on, the user is
encouraged to try to correct the interference by one
or more of the following measures:

• Reorient receiving antenna

• Relocate equipment with respect to the receiver

• Plug equipment into different branch circuit

SPECIFICATIONS

Purpose

To provide nine (9) zones of voice announce with
handsfree reply paging to 1A2 Key, E -Key or PABX
telephone systems.

Features

• 9 zones

• Personal signaling (tone only)

• Dial tone

• Splash tone

• Ringback tone

• 15 second repeat alert tone option

• Combined rotary and tone dialing

• Conference calling on tone dial systems (handset

to handset)

• Background music input and amplifier

• Built-in all call

• Single digit dialing

• Off hook speaker inhibit (1A2)

Capacity

• The capacity of the V -1109RTHF is 9 zones and

all call

• One talkpath

• The maximum number of speakers on a zone are

two 45 Ohm Talkback speakers or forty one-way
amplified speaker assemblies.

1 947108

Numbering Plan

The dialing codes are 1-9 and 0 for all call.

Additional Materials Required

At the time of installation, the installer should provide
the following materials:

• -24VDC power supply (if existing supply is not

adequate)

• 66 type connecting block

• 25 pair cable with a female amphenol connector

on one end

• Twisted pair cross-connect wire

Dimensions/Weight

• 7.10" H x 5.90" W x 2.10" D

• (18.03cm H x 14.99cm W x 5.33cm D)

• 2.7 lbs. (1.22 kg)

Electrical Characteristics

TABLE 1

Parameters Working Limits

Input impedance Tip and Ring 600 Ohms
Max cable length to talkback
speaker
Dial Pulses 8-12pps
60-40 break ratio
+/- 10%
Tone Signals Industry Standard

Frequency
Bandwidth 3%
Twist 6dB
Detect 40ms
Interdigital Time 40ms
Environmental
Temperature 0 to +50°C
Humidity 0 to 85%

800 feet audio

Non-precipitating

Power Requirements

The Valcom V -1109RTHF requires -24VDC talk battery
and -24VDC signal battery. The current consumption
and voltage range is shown in Table 2 below.

TABLE 2

Talk Battery -21.5 to -26VDC 60mA
Signal Battery -21.5 to -25VDC 250mA
Lamp Battery 9 to 11VAC 45mA/Lamp

2

Remember when working with telephone equipment
that BATTERY is NEGATIVE and GROUND is
POSITIVE.

DESIGN

Telephone System Requirements

The V -1109RTHF is designed to work with the
following:

PABX - Loop start trunk position.

ELECTRONIC KEY SYSTEM - C.O. line button

equipped with trunk card.

1A2 KEY SYSTEM - C.O. line button on key
telephones. NOTE: A 400 type line card is not used
for this arrangement.

The V -1109RTHF has background music inputs and is
capable of switching the music. Refer to the Section
titled "Music Connections" for music set up and
connections.

Telephone
System

Valcom

V-1109RTHF

Power
Supply

Typical Configuration

1

Talkback Speakers

9

Figure 1

Equipment

A complete 9 Zone Handsfree Talkback Paging
System using the V -1109RTHF will be made up of the
following:

• PABX loop start trunk position, E -Key C.O. line

button or 1A2 line key

• V -1109RTHF 9 Zone Talkback Control Unit

• Valcom 45 Ohm Talkback speakers

• -24VDC power supply (talk and signal battery)

INSTALLATION

This section covers the installation procedures for the
Valcom V -1109RTHF only. Consult other equipment
instructions if additional equipment is used.

Precautions

All precautions have been taken at the factory to
insure that the equipment functions properly. To
insure proper operation and to prevent equipment
damage, please observe the following:

• Unplug the power supply before making any

connections to the control unit.

• Do not locate the control unit closer than 18

inches or further than five feet from the power
supply.

• Do not use a lamp tester to check signals, use a

voltmeter. A lamp tester when first applies is a
short circuit to electronic circuits.

• Do not apply power to the control unit until all

connections have been checked.

Mounting

Mount the unit in a vacant space in an equipment
cabinet, rack or key system cabinet, allowing enough
room at the rear of the unit to plug in an amphenol
connector. Mount a 66B type punchdown block near
the unit and label it per Figure 2.

Cabling

A 25 pair cable with a female connector should be ran
from the unit to the connection block. The cable
should be terminated on the connection block in
standard color code order. Verify that the
connections are correct prior to plugging the other
end of the cable into the V -1109RTHF Page Unit.

Connections to PABX System

The V -1109RTHF may be accessed by connecting the
W/BL and BL/W to the Tip and Ring, respectively, of
a Loop Start Trunk Circuit. Refer to Figure 3 for
connections.

Connections to Electronic Key
Systems

The V -1109RTHF may be accessed by a C.O. line
position of an Electronic Key System by connecting
the W/BL, BL/W of the V -1109RTHF to a spare line
position of the Electronic Key. This line position
must be equipped with a trunk card. Refer to Figure 3
for connections.

Connections to 1A2 Key System

The V -1109RTHF may be connected to a spare button
3

of a 1A2 Key Telephone by making the following
connections (a 400 type line card is not needed in
this application):

• W/BL, BL/W of V -1109RTHF to spare button Tip

and Ring. Refer to Figure 4 for connections.

• O/W to Lamp Lead of spare button for lamp

connections. Refer to Figure 4 for connections.

NOTE: For Meet Me Page on 1A2, connect A-Leads
from spare button using 10K Ohm resistors in series
with each A-Lead. The other side of resistors are
connected to the BK/G (inhibit) of V -1109RTHF.
Refer to Figure 6 for connections.

Power Connections

• The V -1109RTHF is designed to use -24VDC

battery

• Connect the V/BR lead to Talk Ground

• Connect the BR/V lead to Talk Battery (-24VDC

filtered).

• Connect the V/S lead to Signal Ground

• Connect the S/V lead to Signal Battery (-24VDC

unfiltered)

NOTE: When the V -1109RTHF is connected to a 1A2
Key System, connect W/O to 10VAC lamp battery.
Refer to Figure 5 for connections.

NOTE: When the V -1109RTHF is connected to a Key
System power supply, all grounds should be common
and connect to an earth ground, i.e., cold water pipe.

Speaker Connections

The output for paging zones start at the BK/BR pair
(zone 1) through the V/O pair (zone 9). Refer to Figure
4 for typical speaker connections using Valcom 45
Ohm Talkback speakers. No more than two 45 Ohm
Talkback speakers may be connected to a zone.

NOTE: All speakers should be connected with
twisted pair, including cross-connections.

Music Connections

The output of a tuner or receiver may be connected to
the V/G pair of the V -1109RTHF to provide
system-wide background music.

NOTE: A low level (0.25vrms) 8 to 600 Ohm source
should be used. Do not connect the output of a high
power amplifier to this input.

Page and Music Level Set-up

The V -1109RTHF has volume controls for the
following functions:

• Speaker to phone

• Phone to speaker

• All Call master control

• Background music input control Zones 1-5

• Background music input control Zones 6-9

50 PIN MALE
CONNECTOR

BACKGROUND MUSIC
CONTROL ZONES 1-5

BACKGROUND MUSIC
CONTROL ZONES 6-9

ONE-WAY ALL CALL
VOLUME

Refer to Figure 7 for volume control locations.

Control Set-Up:

1. Set-up Talkback Controls:
(a) The phone to speaker level should be at a

normal listening level.

(b) Speaker to phone level: This is the most

critical level; set the volume at the lowest
practical level (it is better to set it too low,
than too high).

2. All Call Level:

The All call level should be set to produce the

same audio level as the phone to speaker page
control.

3. Background Music Levels:

There are two volume controls provided for

background music adjustments: Zones 1-5 and
Zones 6-9.

It is important that the two background music
contro ls be used to set the music levels in the system.
Adjust these controls after all other system volume
levels have been set.

Repeat Alert Tone

A wire jumper controls the 15 seconds alert tone. The
repeat alert tone is disabled when the jumper is in
place and is enabled by cutting or removing the
jumper.

4

SPK-TO-PHONE
TURN CLOCKWISE
TO INCREASE
RECEIVE VOLUME

PHONE-TO-SPK
TURN CLOCKWISE
TO INCREASE
TRANSMIT VOLUME

Figure 7 - User Control Locations

OPERATION

General Description

To make a voice page, go off-hook and dial the
number of the desired zone or station. Dial tone will
be broken after the first number is dialed. A one
second ringback tone will indicate that the called zone
is being signaled. After the tone, proceed with the
page. If using talkback speakers, the called party may
answer handsfree. If speaker cancel is wired when
called party goes off hook, speaker will be turned off.
Personal signaling: When initiating a call, depress the
"*" and then the station number. A double tone will
be sent to the called speaker. No voice announce or
talkback will be possible.

To dial a new number (tone dial only), depress the "#"
button. The speaker for the first number will be
disconnected and dial tone returned to calling party.
Dial new number and page.

NOTE: If "#" is depressed after the speakers have
been inhibited, additional numbers may still be dialed.
A tone will signal the called party but no voice
announce or talkback will be possible.

User Instructions

In order to achieve maximum performance from this
system, the user should receive the following
operating instructions.

A. The calling party should speak directly into

telephone mouthpiece and avoid speaking too
softly.

B. The called party must wait (approximately 1/2

second) before responding to the calling party.

Circuit Description

General Method of Operation: This unit provides dial
intercom access provisions to appropriately interface
with the telephone system being used. Two-way
amplifier conditions the speech from the telephone
system Tip and Ring, and provides a low impedance,
low level output to the desired speaker via
conventional telephone wiring, i.e., house cable or
station wire.

Detailed Description: When accessing the
V -1109RTHF, the telephone system will close the Tip
and Ring to form a loop. Loop sense circuitry then
operates relay and logic circuits and returns dial tone

Figure 2

and lamp battery to the telephone set. The logic
circuit receives dialing information and operates
relays and circuitry to supply splash tone and voice
connection to the station selected. On 1A2 systems,
when the called or any other party goes off-hook on
ICM path, the presence of two resistance ground
cancels or turns off speakers (if inhibit resistors are
wired). "Handsfree mode" can only be restored by
terminating call and redialing station. After paging,
the unit automatically disconnects on release of the
telephone system.

5

26127

2283294305316327338349

351036

113712381339144015411642174318

44194520462147

22482349245025

W/BL

BL/W

W/O

O/W

W/GR

W/BR

BR/W

W/S

S/W

R/BL

BL/R

R/O

O/R

R/G

G/R

BR/R

R/S

S/R

BK/BL

BL/BK

BK/O

BK/G

G/BK

BK/BR

BR/BK

BK/S

S/BK

Y/BL

BL/Y

Y/O

O/Y

G/Y

Y/BR

BR/Y

Y/S

S/Y

V/BL

V/O

O/V

V/G

G/V

V/BR

BR/V

V/S

S/V

ABCDE

F

V-1109RTHF

TYPE 66 BLOCK

TRLBLLGPCSTA1

STA2

STA3

STA4

STA5

STA6

STA7

STA8

STA9

BBBGAAAGMUSIC

MUSIC

SPK9

RET

RET

SPK7

RET

SPK6

RET

SPK5

SPK4

RET

SPK3

RET

SPK2

RET

SPK1

RET

INH

50 PIN

AMPHENOL

CONNECTOR

25 PAIR

CABLE

CONNECTING BLOCK

GR/W

R/BR

FEMALE

O/BK

RET

SPK8

Y/G

BL/V

Figure 3

6

BB: -24VDC SIGNAL BATTERY (NON FILTERED)

PABX
LOOP START
TRUNK PORT
OR
E-KEY
C.O. BUTTON
POSITION

45 OHM
TALKBACK
SPEAKER
W/OPTIONAL
LED

45 OHM
TALKBACK
SPEAKER

A B C D E F

T
R

LED 1

-

+

T
R

T
R

LED 9

RET
SPK1
RET
SPK2

RET

SPK9

AG
AB
BG
BB

V-1109RTHF

CONNECTING BLOCK

W/BL
BL/W
W/O
O/W
W/GR
GR/W
W/BR
BR/W
W/S
S/W
R/BL
BL/R
R/O
O/R
R/G
G/R
R/BR
BR/R
R/S
S/R
BK/BL
BL/BK
BK/O
O/BK
BK/G
G/BK
BK/BR
BR/BK
BK/S
S/BK
Y/BL
BL/Y
Y/O
O/Y
Y/G
G/Y
Y/BR
BR/Y
Y/S
S/Y
V/BL
BL/V
V/O
O/V
V/G
G/V
V/BR
BR/V
V/S
S/V

COLD
WATER PIPE
GROUND

7

VALCOM

VP-624

POWER SUPPLY

NOTE: IF USING KEY SYSTEM POWER SUPPLY,

CONNECT AG, AB, BG, & BB V-1109RTHF
TERMINALS TO CORRESPONDING POWER
SUPPLY TERMINALS

B

ELECTRICAL DEFINITIONS

AG: TALK GROUND (+)
AB: -24VDC TALK BATTERY (FILTERED)
BG: SIGNAL GROUND (+)

Figure 4

REFER TO FIGURE 6 FR DETAILED
CONNECTION OF LAMPS

V-1109RTHF

TELEPHONE
KEY BUTTON

LAMP
A-LEAD

TIP
RING

LAMP

GND

RESISTOR
10K OHM 5%
1/4 WATT
REFER TO FIGURE
4-6 FOR DETAIL
CONNECTION OF
A-LEADS

45 OHM
TALKBACK
SPEAKER
NOTE 1

45 OHM
VALCOM
TALKBACK
SPEAKER
W/
OPTIONAL
LED
NOTE 1

MULTIPLE TO
ALL INTERCOM
STATIONS

T
R

-

+

T
R

LG

LED 1

LED 9

INH

RET
SPK1

RET
SPK9

AG
AB
BG
BB

T
R
LB
L

CONNECTING BLOCK

A B C D E F

W/BL
BL/W
W/O
O/W
W/GR
GR/W
W/BR
BR/W
W/S
S/W
R/BL
BL/R
R/O
O/R
R/G
G/R
R/BR
BR/R
R/S
S/R
BK/BL
BL/BK
BK/O
O/BK
BK/G
G/BK
BK/BR
BR/BK
BK/S
S/BK
Y/BL
BL/Y
Y/O
O/Y
Y/G
G/Y
Y/BR
BR/Y
Y/S
S/Y
V/BL
BL/V
V/O
O/V
V/G
G/V
V/BR
BR/V
V/S
S/V

COLD
WATER PIPE
GROUND

8

LG 10VAC AG AB BG BB

KEY SYSTEM POWER SUPPLY

NOTES:

NO MORE THAN 2 TALKBACK

1.
SPEAKERS PER ZONE

ELECTRICAL DEFINITIONS

AG: TALK GROUND
AB: -24VDC TALK BATTERY (FILTERED) -24VDC
BG: SIGNAL GROUND (+)
BB: SIGNAL BATTERY (NON FILTERED) -24VDC
LB: 10VAC
LG: 10VAC GROUND

A

L

BLOCK DIAGRAM OF LAMP CONNECTIONS

LAMP GROUND

Figure 5

T
R

LG
SPK
SPK

T
R
LS
L
SPK
SPK
SPK
SPK

T
R

A
L
LG
SPK
SPK

POWER SUPPLY

10VAC LAMP SUPPLY

Connect lamp ground leads from telephone ICM buttons to lamp ground terminal on power supply.

9

BLOCK DIAGRAM OF A-LEAD CONNECTIONS

10K RESISTOR

Figure 6

Connect intercom "A" leads to individual rows on left side of split 66 block. Punch down 10K resistors across center
of block. Strap individual rows together on right side of block and jumper to inhibit lead of Valcom ICM.

TYPICAL VALCOM INTERCOM BLOCK

T
R

A
L
SPK
SPK

T
R
L

SPK
SPK
SPK
SPK

INH

BROWN

BLACK

ORANGE GOLD

T
R

A
L
SPK
SPK

A-LEAD BLOCK

66M3-50

A
A

10K RESISTORS

10

TECHNICAL ASSISTANCE

Factory Assistance

When trouble is reported, make certain there are no
broken connections leading to the system. The chart
below identifies possible problems with solutions.

Assistance in troubleshooting is available from the
factory. When calling, you should have a VOM and a
telephone test set available and be calling from the
job site. Call [phone] for Technical Support or
call [phone] for Valcom 24-hour Faxback System
or visit our website at http://www.valcom.com.

TROUBLESHOOTING CHART

PROBLEMS PROBABLE CAUSES AND CORRECTIONS

No side tone • Check "A" battery connection, polarity and voltage.
No dial tone • Check "A" and "B" battery connections, polarity and voltage.
No volume to speakers • Check phone to speaker control.

• Check * for audio present at tip, ring input (W/BL, BL/W pair).

• Check * for audio at signaled speaker pair at 66B block.

• Check * for audio at input of speaker.

Hum heard at phone • Possible magnetic interference from power supply. Relocate unit and

cables at least 18" away from power supply.

• Check for noisy "A" battery.

• Verify twisted pairs are being used for speaker connections.

No speaker cancel • Verify ground present at phone side of at least (2) 10K Ohm resistors.

Refer to Figure 6.

NOTE: Do not apply ground directly to inhibit input.

Background music distorted • Music source level too high. Refer to "Music Setup Section".

Repair and Return

Valcom equipment is not field repairable. Valcom
maintains service facilities in Roanoke, VA. Should
repairs be necessary, attach a tag to the unit clearly
stating your company name, address, phone number,
contact person and the nature of the problem. Send
the unit to:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and
service for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement,
repair or refund of any such defective device within the warranty period, provided that:

1. inspection by Valcom, Inc. indicates the validity of the claim;

2. the defect is not the result of damage, misuse or negligence after the original shipment;

3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (a
service charge plus parts and labor will be applied to units defaced or physically damaged);

4. freight charges for the return of products to Valcom are prepaid;

5. all units ‘out of warranty’ are subject to a service charge. The service charge will cover minor repairs (major repairs
will be subject to additional charges for parts and labor).

This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom,
Inc. be liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the
buyer in connection with the purchase, operation or use of the product.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the
carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the
F.O.B. point.
Headquarters: In Canada
Valcom, Inc. CMX Corporation
5614 Hollins Road 35 Van Kirk Drive #11 and 12
Roanoke, VA 24019-5056 Brampton, Ontario L7A 1A5
Phone: [phone] Phone: [phone]

11

FAX: [phone] FAX: [phone]

12

MICROPROCESSOR

CONTROL

CONTROL

CONTROL

1-5

SPK 9

RET 9

SPK 8

RET 8

SPK 7

RET 7

SPK 6

RET 6

SPK 5

RET 5

SPK 4

RET 4

SPK 3

RET 3

SPK 2

RET 2

SPK 1

RET 1

A GROUND
A BATTERY

TIP

RING

INHIBIT

PAGE

LAMP SUPPLY

B GROUND
B BATTERY

LED 1
LED 2

LED 9

LAMP

K10

LED

BATTERY
FEED

TALKBACK
AMPLIFIER

POWER
SUPPLY

TONE
DECODER

ALL CALL

K0

K1

K10

K1

K2

K3

K4

K5

K0

K0

AMP

6-9

AMP

K6

K7

MUSIC IN
MUSIC IN

MUSIC
CONTROL

SIMPLIFIED SCHEMATIC V-1109RTHF

K8

K9

13